Arrested for DUI / OWI in Wisconsin?
You have 10 days to act before your license is suspended.
Most firms hand you one attorney. We hand you a team.
Mac Blessen leads your defense, backed by founding attorney Aaron Nelson, an award-winning Top 50 WI Super Lawyer. The Nelson Defense team serves Hudson and western Wisconsin, including Dunn, Eau Claire, St. Croix, and Pierce Counties.
Get confidential, judgment-free legal defense.
NELSON DEFENSE GROUP TEAM HAS HAD:
• 2,000 Cases Fully Dismissed • Over 300 Not Guilty Verdicts •
Why Nelson Defense Group
When everything is on the line, you need more than a lawyer. You need a team that stands between you and the system, building a defense strategy designed around you, not a template.
» We move fast. Early action protects your license before your court date even starts.
» We win without trial. Motions to suppress and negotiated dismissals—no courtroom required.
» We win at trial. Experienced trial attorneys ready to tell your story to a jury.
» We protect your future. Sentencing advocacy to minimize potential consequences.
Mac Blessen
LEAD OWI ATTORNEY
Builds every case with precision. Mac is prepared, thorough, and fighting for you from day one, handling every detail of your defense so nothing slips through on your case.
Aaron A. Nelson
FOUNDING ATTORNEY
Nearly 30 years in Wisconsin courts. Aaron mentors every case from behind the scenes, backing the team with a record of Not Guilty verdicts and dismissals.
OWI/DWI charges we handle.
We fight back against the rush to convict and advocate for your right to continue driving. We've successfully challenged unlawful traffic stops, improper blood draws, and inaccurate breath or blood test results for charges of both drunk driving and driving while high.
- Operating a motor vehicle while intoxicated (OWI)
- Operating a motor vehicle with a prohibited alcohol concentration (PAC)
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Operating a motor vehicle with a detectable amount of restricted controlled substance (RCS)
- OWI with minor child in vehicle
- OWI causing injury, great bodily harm, or death
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Refusal and administrative suspension hearings
Who we defend.
We don't just challenge charges. We protect people, people whose freedom, careers, and futures are on the line when the state rushes to judgment. We proudly defend all people, including:
- Students (UW-Eau Claire, UW-Stout, and more) protecting their education and future
- Professionals fighting to preserve their careers and reputations
- First-time offenders navigating the system
- Minnesota residents charged in Hudson and across the St. Croix Valley
Not Guilty, means everything.
The sooner you act, the more we can do to help.
Recent Results
OWI with a minor child in the vehicle — Father charged with driving drunk with son in car.
The father had not recently driven the vehicle, as it was inoperable. Drinking occurred after the car broke down while he was fixing it.
OWI — Man charged with driving under the influence on a highway.
The state’s evidence, including breath and standardized field sobriety tests were not liable or sufficient evidence to meet their burden of proof.
OWI/PAC with a child under 16 years of age in the motor vehicle — Father charged with operating while intoxicated with his son in the vehicle.
Father did not drink until after he got home.
What Clients Say
We have a track record of success.
The Nelson Defense Group team leverages creativity to build innovative arguments, and the trial performance skills to tell our client’s story during negotiations, and when necessary, during a trial.
Many people who are charged with a crime are startled by the unfairness of the system. It is unfortunate, and we have no doubt that you may have already experienced some of this unfairness.
At Nelson Defense Group, we understand. That’s why we’re here.
When the system is unfair, you need someone who is going to hear you, tell your story, and insist that the courts understand it too.
